What exactly is the difference between a surge protector and a fuse? Can a fuse protect the electronic devices from lightning instead of surge protector?
Last Updated: 23.06.2025 07:39

This is a high voltage low current spike that comes down the line because of the power poles being struck, and the voltage suppressors activating on the primary side of the transformer.
[image of Common-mode choke]
When the current is 200% of the rated value , it will “go open” (the link metal melts) and protect the device.
Are miracles real or do they just have natural explanations?
This is 'the assistant's answer'
The third is lightning and “how it gets conducted into a home.”
He then describes the function of a fuse.
When should I use the best sunscreen for oily skin?
Is the question then , "why buy a surge supressor, if the fuse alone protects the electronic circuits from a lightning bolt?".
“ A surge suppressor is the one which is connected at the input supply so that when there is a sudden change voltage it bypasses thereby protecting the (circuit) and electronic components”
Once the voltage goes over 0.0650 volts, then this fact can be used to amplify the difference, and turn the circuit breaker off , furthur down the line. Essentially that is what a RCD/GFCI does, it compares the incoming current, to the outgoing current, and if the difference between the two currents is over 5mA, then it trips the circuit breaker.
Weed may be bad for your heart, whether you smoke or consume edibles - Live Science
There is no harm in having the surge suppressor along with the fuse in the circuit. The fuse will not open up until the current melts the link. This will take time, and in the interim, that jolt will get transmitted into the power supplies.
For this case there are devices called Metal oxide varistors (MOV).
First Sentence:
4 'Healthy' Trends That Need to Stop Now, According to a Dietitian - EatingWell
2024–10–14 [Omar Gharbi Omar Gharbi ]
This one hit behind the barn.
It also is a device that limits the change in current flow.
Have you ever accidentally found out that you were about to be fired?
but I think this circuit , shows a few more pieces.
This device then solves the entire problem.
But during the surge, the fuse will not blow if it is a longer duration and lower value )10 to 50%).
What are your thoughts on RM's new album "Right Place, Wrong Person"?
It’s been three xxx five werks, and there has been no response to my follow on query on his Commment to my answer.
so, the loop of wire then, when put together with another loop reduces the ‘noise’ on a power line.
Because the load is inductive, the current lags the voltage.(by a bit).
Posting Memes With Pride - Vulture
[old diagram got deleted by accident]
I post the exact comment here.
Here is a simplified AC power diagram.
Intercontinental Title Match Added To WWE Money In The Bank 2025 - eWrestlingNews.com
Mohan forgets that a fuse is a one-time device, and needs to be replaced if it is tripped.
(Dc diagram shown, AC is similar).
but this device (an Inductor) … impedes the rapid changes in the current.
Binge Eating Disorder: Plea for specialist services in Northern Ireland - BBC
At one ohm, the resistor has a maximum of 1 watt power.
So, the voltage could go up to 500 volts, and the fuse will not open up.
Would individual surge supressors have save this equipment? most likely, since the surge supressor would take the jolt instead of the electronic components.
Does anyone wear see-through clothes to show off underwear?
At the secondary, it is 1000 times less.)turns ratio). If it gets hit with a 100,000 volt bolt of lightning then the voltage arrestors conduct and clamp the voltage down to line voltage, ( but a small amount leaks down the line). This is the problem.
These are simplified answers to the original question, and does not change anything I wrote above.
An AC voltage/ current source, and an ac inductive load.
Air India plane crash death toll rises to 270 - BBC
2024–09–27 [ Mohan Rajaratnam Mohan Rajaratnam ] . Thinks you can get free electricity from nothing : Mohan Rajaratnam's answer to Is it possible to generate free electricity at home using a magnet or other low-cost methods? If so, how does it work?
What is lightning?
“ A fuse is a device which protects the (circuit) against overload and short circuit.”
What is the general opinion of psychologists on Donald Trump's presidency?
2024–10–11 [Bobby Sanchez Bobby Sanchez ].
a photo is worth a thousand words.
He then asserts :
Patriots Minicamp Notebook: Moving into the red zone - 98.5 The Sports Hub
This is where this question deviates from being a 'generic' question, and becomes more specific.
This is an electronic circuit designed to clamp voltages so that the Voltage Potential that appears at the outlet is never going to exceed the nominal value.
This is where the MOV conducts again, and dissipated the energy.
Do you as a gay male enjoy the feeling of getting a penis in your anus?
Fuses, on their own, then operate much slower than the MOV variable resistance, during the lightning strike.
If the nominal power is 4,000 watts then the current at 230volts is 16 amps.
eight
so, what happens?
And this is the problem alone. Is the power supply in the equipmemt designed with a lightning strike in mind? Some yes, others, no.
A fuse is a non-resetable over current circuit protector.
The MOV will conduct when the voltage exceeds 50% of line voltage.
Lightning arrestor is a spark-gap device, and can be installed anywhere. What is important, is that the wire is thick enough to withstand the lightning bolt and conduct the energy away from the building.
2024–10–00 [ Ammar Mahdi ] Ammar Mahdi
Barnstars:
It seems Mohan does not understand the difference between a comment and an Answer.
This is the picture of an electronic coil of wire wound around a core of magnetic material.
The other is “what does a “fuse” do?”
So combined with a device called a MOV or Metal-oxide-resistor, then forms the 3rd part of a “surge suppressor “.
What does a fuse do?
There are two important concepts here.
But… the neutral is now “floating” because of the 1 ohm resistance.
2024–10–11 [Victor Olarewsju Victor Olarewaju ]
So, it’s possible that these devices from Trip Lite have addition suppression devices, these ones seem to be sturdy.
Can the fuse protect the electronic devices from lightning instead of a surge protector.
In schematic diagrams this is the symbol for a fuse:
(There is no concept of polarity, in the loop because the current changes direction 100 to 120 times a second (power frequency).
Upvotes:
The bolt then partially travels down the line to your home.
He then describes Rainy Season and Lightning.
One
Edit 2024–10.
Now when you have a certain ac resistance, then a current flows in a loop.
These devices are installed between the “hot” and “neutral” and protective ground.
what exactly is a ‘surge’ protector?
OK, this is Mohan Rajaratnam’s definition of a Surge suppressor.
the problem then depends on "how fast does the fuse operate?".
A circuit breaker is similar, but is resettable.
There are three different concepts here that are getting confused.
But it can get overloaded, and no longer works.
P = e* I, so since I is 16 amps, then the voltage dropped is 1/16 volt or 0.0650 volts.
nine
This is a photo where a lightning bolt took out a home's complete mains distribution box, and a lot of electronic gear as well.
At least they know the answer if they wanted it.
One is “what exactly is in a ‘surge protector’ ? ”
2024–10–10[John johnson John Johnson ]
2024–10–16 [ OO OLAOYE OYEBODE ]
“ … to protect building, lightning arrestor, is provided above building and directly connected to earth.”